Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

June 19, 2021Oswego County, New York

NWS Buffalo, NY issued this special weather statement at Jun 19, 2021, 8:52 PM EDT for Oswego County, New York. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 19, 2021, 8:52 PM EDT (00:52 UTC)
Expired
Jun 19, 2021, 9:45 PM EDT
In force
53 min
Issued by
NWS Buffalo, NY

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 69 km from the middle of the area, began a volume at 00:55 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.9 hours before the alert went out and 203 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1566 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted.

231 
WWUS81 KBUF 200052
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
852 PM EDT Sat Jun 19 2021

NYZ004>006-200145-
Oswego-Wayne-Northern Cayuga-
852 PM EDT Sat Jun 19 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN WAYNE...CAYUGA AND
OSWEGO COUNTIES...

At 852 PM EDT, a strong thunderstorm was located near Chimney Bluffs
State Park, or 12 miles west of Fair Haven Beach State Park, moving
east at 20 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Oswego, Fulton, Fair Haven Beach State Park, Central Square, Cato,
Chimney Bluffs State Park, Mexico Point State Park, Nine Mile Point,
Battle Island State Park, Brewerton, Hastings, Scriba, Volney,
Constantia, West Monroe, Palermo, Sterling, New Haven, Phoenix and
Ira.

This includes Interstate 81 between exits 32 and 35.
 
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4348 7582 4333 7589 4332 7586 4315 7588
      4320 7608 4327 7620 4322 7619 4320 7622
      4324 7626 4324 7627 4323 7626 4320 7627
      4323 7631 4323 7648 4315 7647 4325 7701
      4332 7700 4339 7673 4356 7645 4349 7578
TIME...MOT...LOC 0052Z 276DEG 17KT 4336 7693 
$$

Reynolds

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 9:51 PM EDTAreal Flood WarningBUFOswego2 hr
Jun 19, 10:00 PM EDTSpecial Weather StatementBUFOswego60 min
Jun 20, 2:44 PM EDTWind AdvisoryBUFErie, Genesee, Niagara, Orleans25 hr
Jun 20, 3:30 PM EDTSpecial Weather StatementBUFCattaraugus45 min
Jun 20, 3:57 PM EDTSpecial Weather StatementBUFCattaraugus48 min
Jun 20, 4:30 PM EDTSmall Craft AdvisoryBUF57 hr
Jun 20, 6:23 PM EDTSpecial Weather StatementBUFChautauqua52 min
Jun 20, 6:40 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua35 min

Nearby

Special Weather Statements in New York, 2021Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.